import fetch from 'dva/fetch';
import { setTimeout } from 'timers';

function checkStatus(response) {

  if (response.status >= 200 && response.status < 300) {
    return response;
  }
  const error = new Error(response.statusText);
  error.response = response;
  throw error;
}

/**
* Requests a URL, returning a promise.
*
* @param {string} url The URL we want to request
* @param {object} [options] The options we want to pass to "fetch"
* @return {object} An object containing either "data" or "err"
*/
export default async function request(url, options) {
  const myHeaders = new Headers({ 'Content-Type': 'application/json' });
  const myInit = {
    method: 'POST',
    headers: myHeaders,
    mode: 'cors',
    cache: 'default',
    body: JSON.stringify(options),
  };
  const response = await fetch(url, myInit);
  checkStatus(response);
  const data = JSON.parse(await response.text());
  
  return data;
}
